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17 Cards in this Set

  • Front
  • Back
P wave
the fastest moving body wave. It travels in a straight path by a push and pull motion
S wave
moves more slowly than the P wave. Moves in an up and down zig zag motion
L wave
when P and S waves reach the surface-the slowest and most destructive waves
an earthquake, volcano, or landslide occuring under or near the ocean causing a series of giant waves
molten rock that explodes through the earth's surface
when magma breaks the earth's surface
lava flows out of the earth through an opening in the surface
the bowl shape at the top of a main vent
hot spots
volcanoes formed under the ocean where a pool of intensely hot magma rises toward the surface
shield volcano
have gradually sloping sides and look like upside down saucers-formed by a continual flow of lava
cinder cone volcano
resembles a hill more than a mountain-has a bowl like crater at the top-tends to be explosive
composite cone volcano
large, symmetrical, cone shaped-has steep sides and made of layers of hardened lava
gases released from a volcano that causes pollution
igneous rock
produced when magma and lava cools
hot spring
a body of water near an underground magma pool that rises to the surface
a hot spring the blows steam and hot water into the air
mud pot
a hot spring that contains more mud than water